Test images

Average confusion &

diffusion time (sec)

Decryption

time (sec)

Encryption

rate (Mbps)

Decryption

rate (Mbps)

128 × 128

0.0211

0.0238

6.21

5.50

256 × 256

0.0842

0.0947

6.22

5.53

512 × 512

0.3368

0.3804

6.22

5.51

1024 × 1024

1.3190

1.4869

6.35

5.64